Please note: The thickness of stratigraphic units are highly variable across the large region encompassed by Grand Canyon National Park. The scale above on this composite section does not reflect this variability. For more detailed thickness of unit descriptions, see:

Click here
to see photography of Grand Canyon National Park. This includes views along and within the canyon and a collection of historic images along the Colorado
River taken by the Powell Expedition of 1872. Website images include both
standard photograph and 3D views (as anaglyphs - requiring red-and-cyan
3D viewing glasses).

This view is looking east (upstream) along the Grand Canyon from the
Toroweap Overlook area. Massive cliffs of the Redwall Sandstone dominate
the canyon at Toroweap.